Icom ID-880H Instruction Manual - Page 183

Fuse replacement

Page 183 highlights

MAINTENANCE 14 PROBLEM POSSIBLE CAUSE SOLUTION REF. Scan does not operate. • The squelch is open. • Set the squelch to the threshold point. p. VIII • Only one memory channel is programmed or • Program other memory channels or cancel the pgs. 90, other channels are set as skip channels. memory skip function in the desired channels. 108 Transmission is automati- • Time-out timer is activated. cally cut off. • Set the timer to OFF. p. 157 Transmission continues • One-touch PTT function is activated. even when the PTT is released. • Turn the function OFF. p. 21 D u r i n g t o n e s q u e l c h o p - • Transmitter's microphone gain is too high. eration, the received audio breaks off at the other station. • Select low microphone sensitivity in the FUNC set p. 127 mode. • Turn the ALC function ON in the FUNC set mode. p. 127 The function display shows • The CPU is malfunctioning. erroneous information. • Reset the CPU. p. 154 Fuse replacement If the fuse blows or the transceiver stops functioning, find the source of the problem if possible, and replace the blown fuse with a new, properly rated one (FGB 20 A) as shown at right. 20 A fuse 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 165

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165
14
MAINTENANCE
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±
Fuse replacement
If the fuse blows or the transceiver stops functioning, find the
source of the problem if possible, and replace the blown fuse
with a new, properly rated one (FGB 20 A) as shown at right.
20 A
fuse
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
Scan does not operate.
• The squelch is open.
Only one memory channel is programmed or
other channels are set as skip channels.
• Set the squelch to the threshold point.
Program other memory channels or cancel the
memory skip function in the desired channels.
p. VIII
pgs. 90,
108
Transmission is automati-
cally cut off.
• Time-out timer is activated.
• Set the timer to OFF.
p. 157
Transmission continues
even when the PTT is re-
leased.
• One-touch PTT function is activated.
• Turn the function OFF.
p. 21
During tone squelch op-
eration, the received audio
breaks off at the other station.
• Transmitter’s microphone gain is too high.
Select low microphone sensitivity in the FUNC set
mode.
• Turn the ALC function ON in the FUNC set mode.
p. 127
p. 127
The function display shows
erroneous information.
• The CPU is malfunctioning.
• Reset the CPU.
p. 154